Granted Patent
Utility
US 4,343,342 · App. 06/247,454
Unified modular indicia marking for rubber articles
Inventor:
Peter McDonald
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Mar 25, 1981
Inventor
Peter McDonald
Assignee (at issue)
The Firestone Tire & Rubber Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.